Chemistry (Theses and Dissertations): Recent submissions
Now showing items 121-140 of 435
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Sythesis and biological evaluation of PreQo derivatives
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2020)tRNA-guanine transglycosylase (TGT) is a key enzyme involved in the posttranscriptional modification of tRNA across all kingdoms of life. In eukaryotes and eubacteria, TGT catalyses the incorporation of hypermodified ... -
Helium Ion Beam Irradiation of MoS2: Fabrication of 2D Memristors
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2020)A memristor is an electronic device which exhibits a non-volatile and reversible resistance change in response to an applied electric field. These properties make the memristor a potential prime component in the field of ... -
Development of Calcium Carbonate-based Nano- and Micro- Structural Materials
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2020)Calcium carbonate is a ubiquitous material, which has a high commercial importance and a variety of important applications. The main goal of this work is the development of new CaCO3 based nano- and micro-structural materials ... -
Synthetic Approaches to Light-Harvesting Materials Containing Earth-Abundant Metals
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2020)In this thesis, entitled Synthetic Approaches to Light-Harvesting Materials Containing Earth-Abundant Metals, a crystal engineering approach is taken to investigate two kinds of materials, namely coordination polymers based ... -
Manganese Coordination Complexes: From Magnetism to Water Oxidation
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2020)Ever increasing energy demands and the closely related issue of global warming derived from fossil fuel combustion have encouraged the development of renewable energy sources and energy storage concepts as one of the most ... -
Metallo-Supramolecular and Bioinspiried Coordination Compounds for H2O Oxidation
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2020)Ever-increasing energy demands and associated climate change issues impose imperative scientific challenges to society. Switching to an economy based on the carbon-free, high density energy carrier H2 represents a promising ... -
Designer Nonplanar Porphyrins with Tuned Properties for Application as Bifunctional Organocatalyst
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2020)The aim of this research was to investigate the use of different free base nonplanar porphyrins as bifunctional catalysts. This involved the tailored design of various porphyrin catalysts and the subsequent testing of said ... -
Development of Unconventional Amide Bond Forming Methodologies
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2020)A novel methodology for the protection of amines and diamines using 2,2-pyridil, under the influence of N-heterocyclic carbene (NHC) catalysis, has been developed. Extensive experimentation which included the design and ... -
The development of radical methodologies for the syntehsis of thiolactones and carbon-sulfer bond formation
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2020)This thesis entitled "The Development of Radical Methodologies for the Synthesis of Thiolactones and Carbon-Sulfur Bond Formation" is divided into 7 chapters in which Chapter 1, the introduction, presents an overview of ... -
Manipulation of enzyme activity via substrate based control: a new paradigm in drug design
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2020)This thesis documents our approach to the manipulation of enzyme activity in previously underexploited pathways through the design of artificial substrates. It was envisaged that this strategy would enable the discovery ... -
Non-covalent interactions in supramolecular hybrid polyoxometalates
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2020)Polyoxometalates (POMs) are a species of discrete anionic polynuclear metal-oxo clusters made from early transition metals in their higher oxidation states. Together with organic ligands they can be assembled in hybrid ... -
Triazole-pyridine derivatives: versatile building blocks for metallosupramolecular assemblies and materials
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2020)This thesis, entitled "Triazole-Pyridine Derivatives: Versatile Building Blocks for Metallosupramolecular Assemblies and Materials", describes the design, synthesis and characterisation of a series of 1,2,3-triazol-4-yl- ... -
Synthesis and Physicochemical Characterisation of Metal-Organic Frameworks and Metal-Organic Polyhedra Composed from Extended Organic Ligands
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2020)The research presented in this thesis concentrates on the synthesis of advanced materials known as metal organic polyhedra (MOPs) and metal organic frameworks (MOFs). The resulting materials were structurally characterised ... -
Non-crystalline nitrogenated carbon electrode materials: Bulk and surface doping methods for controlling electrochemical properties
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2020)Carbon is ubiquitous as an electrode material and its electronic and capacitive properties and its surface chemistry are suitable for electrode materials for several applications such as fuel cells, capacitive storage ... -
Cubane and Triptycene as Scaffolds in the Synthesis of Porphyrin Arrays
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2020)The primary aim of this research was to synthesise multichromophoric arrays that are linked through rigid isolating units with the capacity to arrange the chromophores in a linear and fixed orientation. The electronically ... -
A Study on the Fabrication of Seamless Semiconducting and Metallic Nanowire Networks and their Applications for Transparent Electronics
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2020)Devices based on individually contacted 1-D nanostructures have demonstrated high performance across a wide variety of applications, however commercial scale production of these devices is limited by tedious and costly ... -
Investigating the Formation of Metal-Superoxides: Iron and Nickel Complexes Based on a 2,6-Pyridinedicarboxamide Ligand System
Metal-superoxide intermediates have been proposed to be key active intermediates in the catalytic cycles of a wealth of oxygen-activating enzymes in biology. Synthetically, many examples of such intermediates have been ... -
Pyridazine-derived systems-from novel complexes to functional molecular switches
(Trinity College (Dublin, Ireland). School of Chemistry, 2012)Chapter 1: The chapter begins with a general introduction to tetrazine-derived ligands, alongside the photophysical properties of metal complexes, particularly Ir III, Rh III and Re I species. The coordination chemistry ... -
Potent Chelators with Intrinsic Intermolecular Affinity
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2019)This thesis, entitled 'Potent Chelators with Intrinsic Intermolecular Affinity', investigates the development of unsymmetrically substituted 6-carboxy-4-aryl-2,2'-bipyridine (bpy) scaffolds for incorporation into coordination ... -
Pulse injection metalorganic chemical vapour deposition of selected magnetic metal oxides
(Trinity College (Dublin, Ireland). School of Chemistry, 2009)The main aim of this project is to prepare oxide based DMS and ferrimagnetic oxide layers for potential application in new generation spintronic devices. This work involves the preparation of Co-doped ZnO, Cr-doped ln2O3 ...
